home, back to the anchor desk that just wasn't the same without er. diane sawyer >> fantastic having her back. she was gone for 174 days, for a life-saving bone marrow louiseant. she sat down with her friend diane sawyer for an intimate conversation about her dramatic road to recovery. when >> thelma and louise ride again. >> reporter: for seven years, we were next to each other, facing every morning. he good days, the tough days, and then, good days again. when you wake up in the morning, i what's different now? long >> i feel pretty much like o want to comfort us. i mean, for many, many days and months, it was just a fogginess. i was taking the funk for a long time. transplant. i was faking the funk, for a e strength you've got. cularnew i was. we want to comfort those people who want to comfort us. >> reporter: comfort, through the hard reality that comes with the miracle of a bone marrow transplant. all but even if you believe in miracles, sometimes it takes all the strength you've got. >> i remember one particular evening, not feeling well at se, jennie -- a mjust slipping away.